[private-tickets:#29] extract wiki content, check tool usage
[private-tickets:#29] extract wiki content, check tool usage

Extract wiki content, including the special home page, and attachements.
Begin work on a markup conversion function.  Also, check for
tool usage for tools that we don't intend to migrate

Signed-off-by: Dave Brondsema <ec6c766f6973828607b59823e42c265e0b7fbddf@geek.net>

Bitergia/allura,lym/allura-git,apache/allura,heiths/allura,leotrubach/sourceforge-allura,heiths/allura,apache/allura,Bitergia/allura,heiths/allura,lym/allura-git,lym/allura-git,Bitergia/allura,lym/allura-git,leotrubach/sourceforge-allura,apache/allura,apache/allura,apache/incubator-allura,Bitergia/allura,heiths/allura,apache/incubator-allura,lym/allura-git,heiths/allura,apache/incubator-allura,apache/allura,leotrubach/sourceforge-allura,leotrubach/sourceforge-allura,apache/incubator-allura,Bitergia/allura